Commit d9895571 authored Mar 24, 2015 by Lorenzo Pieralisi Committed by Will Deacon Mar 26, 2015

ARM64: kernel: psci: let ACPI probe PSCI version

PSCI v0.2+ allows the kernel to probe the PSCI firmware version.

This patch replaces the default initialization of PSCI v0.2+
functions with code that allows probing PSCI firmware version
and initializes PSCI functions accordingly.

Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 48eb3c8a

arch/arm64/kernel/psci.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -439,9 +439,7 @@ int __init psci_acpi_init(void)
		else
		invoke_psci_fn = __invoke_psci_fn_smc;

		psci_0_2_set_functions();

		return 0;
		return psci_probe();
		}

		#ifdef CONFIG_SMP